FR523989A - Method and apparatus for manufacturing piston rings - Google Patents
Method and apparatus for manufacturing piston ringsInfo
- Publication number
- FR523989A FR523989A FR523989A FR523989DA FR523989A FR 523989 A FR523989 A FR 523989A FR 523989 A FR523989 A FR 523989A FR 523989D A FR523989D A FR 523989DA FR 523989 A FR523989 A FR 523989A
- Authority
- FR
- France
- Prior art keywords
- piston rings
- manufacturing piston
- manufacturing
- rings
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0411—Drills for trepanning with stepped tubular cutting bodies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR523989T | 1920-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR523989A true FR523989A (en) | 1921-08-27 |
Family
ID=8918994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR523989A Expired FR523989A (en) | 1920-09-10 | 1920-09-10 | Method and apparatus for manufacturing piston rings |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR523989A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0193181A2 (en) * | 1985-03-01 | 1986-09-03 | Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH | Highly stable blade wheels for turbomolecular pumps |
-
1920
- 1920-09-10 FR FR523989A patent/FR523989A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0193181A2 (en) * | 1985-03-01 | 1986-09-03 | Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH | Highly stable blade wheels for turbomolecular pumps |
FR2578287A1 (en) * | 1985-03-01 | 1986-09-05 | Pfeiffer Vakuumtechnik | LARGE STABILITY DISKS FOR TURBOMOLECULAR PUMPS AND PROCESS FOR PRODUCING SUCH DISCS |
EP0193181A3 (en) * | 1985-03-01 | 1988-07-27 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh | Highly stable blade wheels for turbomolecular pumps |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR523989A (en) | Method and apparatus for manufacturing piston rings | |
FR523376A (en) | Distillation process | |
FR533361A (en) | Method and apparatus for making soaps | |
FR525019A (en) | Elastic tire for wheels and method and apparatus for its manufacture | |
FR514937A (en) | Method and apparatus for producing zinc dust | |
FR524006A (en) | Method and apparatus for manufacturing propellers | |
FR529732A (en) | Method and apparatus for manufacturing nuts | |
FR541099A (en) | Process for the manufacture of piston rings | |
FR536224A (en) | Radio method and apparatus | |
FR522762A (en) | Improvements to pneumatic casings and method and apparatus for their manufacture | |
FR523560A (en) | Shoe repair method and apparatus | |
FR523478A (en) | Shoe repair method and apparatus | |
FR512483A (en) | Vulcanization method and apparatus | |
FR515798A (en) | Method and apparatus for manufacturing and handling foundry parts | |
FR609366A (en) | Manufacturing process of piston rings | |
FR528313A (en) | Sterilization method and apparatus | |
FR533701A (en) | Piston and piston rings | |
FR517371A (en) | Shoe repair process and machine | |
FR524223A (en) | Carburation process and apparatus | |
FR583360A (en) | Brake ring and method for its manufacture | |
FR524571A (en) | Method and apparatus for the manufacture of barrel staves | |
FR524850A (en) | Method and apparatus for the manufacture of piston rings | |
FR509171A (en) | Manufacturing process of piston rings | |
FR541325A (en) | Grinding method and apparatus | |
FR618140A (en) | Method and machine for the production of piston rings |